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Video Over Beldon

daubs8
in CCTV & Access Control

Featured Replies

Anybody see any problems with using a spare pair from a 4 core screened beldon to run video? It's for an internal speed dome, the telemetry is ok? Ta.

Um, distance? Quality? Impedance?

Have to be honest, if an engineer of mine tried it without good reason (and a pair of decent baluns) I'd probably have his job. Just my tuppence worth, though :-)

In the strictest sense of the word, you can run video down just about any piece of cable, to some extent. And people have.

Bill.

Anybody see any problems with using a spare pair from a 4 core screened beldon to run video? It's for an internal speed dome, the telemetry is ok? Ta.

Bill

Accord Fire & Security Services Ltd.

www.accordfire.co.uk ~ TEL: 0845 474 5839
Anybody see any problems with using a spare pair from a 4 core screened beldon to run video? It's for an internal speed dome, the telemetry is ok? Ta.

The capacitance caused by the screen can sometimes be an issue. If the runs are over 20mtrs the picture can start to look a little

System Q Ltd.

NVT dont specify impeadence, just say unscreened 24-16 Guage twisted pair.

They also reckon 6 or more pair, overall Screened cable is OK. I reckon if its not a tight cable, ie loose pairs, and its not a very long run it'll probably be OK. You might lose some hf content due to the higher capacitance, but will the customer be able to tell ?

Edited by SUBS

Short distance 10/20 mtrs it will work without baluns, further than that and its guess work as to how far and how good, far from ideal but for a temp repair, why not.

long distance it wont. We tried to use an existing beldon approx 400m. Failed miserably even on active nvt.

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can you not run a coax back??

"If you carry your childhood with you, you never become old. Why rush to end life when happiness is in the blissfulness of childhood innocence."

"We all die, the goal isn't to live forever, the goal is to create something that will."

07475071344

i have seen devices that will work over even bell wire, but cant think of a model name etc sorry. useless post

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i have seen devices that will work over even bell wire, but cant think of a model name etc sorry. useless post

Dyou mean the Addlestone stuff ?

nah im sure i would of remebered that.

It was something else. Basically said it could do 200m with power and vid over bell wire, intruder, twisted, 1.0mm mains etc. Didnt matter just needed 2 wires

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